Odd-Even Sudoku

Goal: Fill every cell so each row, column, and box contains every digit from 1 to N exactly once.

Odd cell Cells with an orange circle must hold an odd digit (1, 3, 5, 7, 9).

Even cell Cells with a cyan circle must hold an even digit (2, 4, 6, 8).

Tap a cell, then tap a digit on the number pad. Use Notes to pencil candidates, Hint to reveal a digit, Undo to step back, Erase to clear.

Every puzzle has a unique solution. Earn 3 stars with no mistakes and no hints within the time target.

Goal: Fill the grid so every row, column and box contains each digit 1 to N exactly once.

Odd rule Cells marked with an orange circle must contain an odd digit (1, 3, 5, 7, 9).

Even rule Cells marked with a cyan circle must contain an even digit (2, 4, 6, 8).

Tap a cell then tap a digit to place it. Toggle Notes ✎ to pencil candidates, Hint to reveal a correct cell, Undo to step back, Erase to clear.

Star targets: 3 stars = solve within the tier time limit with no mistakes and no hints. 2 stars = 1 mistake/hint OR slower time. 1 star = completed.

Every puzzle has exactly one solution, verified by a solver.